题目内容
You will fail your next exam ______ you start to work hard at your study now.
A.because | B.unless | C.so | D.if |
B
考查连词的用法。句意:你下次考试会不及格的,除非你现在开始努力学习。所以选unless 除非。
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题目内容
A.because | B.unless | C.so | D.if |